ISO 4121:2003 PDF

Scope: This International Standard provides guidelines describing quantitative response scales (where the response obtained indicates the intensity of perception) and their use when assessing samples. It is applicable to all quantitative assessment, whether global or specific and whether objective or hedonic. It is intentionally limited to the most commonly used measurement scales for sensory assessment. It is necessary to distinguish between two common uses of the term "scale": response scale (see 3.1), and measurement scale (see 3.5). NOTE Annex A gives examples of an application.

ISO 4121:2003 Referenced Document

ISO 5492 Sensory analysis — Vocabulary AMENDMENT 1*， 2008-01-01 Update
ISO 6658 Sensory analysis - Methodology - General guidance*， 2017-07-01 Update
ISO 8586-1 Sensory analysis; general guidance for the selection, training and monitoring of assessors; part 1: selected assessors
ISO 8586-2 Sensory analysis - General guidance for the selection, training and monitoring of assessors - Part 2: Expert sensory assessors*， 2008-06-01 Update
ISO 8587 Sensory analysis — Methodology — Ranking AMENDMENT 1*， 2006-01-01 Update

2003 ISO 4121:2003 Sensory analysis - Guidelines for the use of quantitative response scales
1987 ISO 4121:1987 Sensory analysis; Methodology; Evaluation of food products by methods using scales